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Surgery Saved My Life: Extreme Spine Surgery (1:20)
On Discovery Channel's "Surgery Saved My Life," one of the world's top spinal surgeons faces his most challenging surgery -- a boy with a spinal bend of 90 degrees.
Human Atlas: Liver Transplant (1:31)
Injury to liver cells from alcohol abuse, hepatitis or birth defects can keep the liver from functioning properly. In some cases a liver transplant may be necessary. Learn more about liver transplants in this video.
Human Atlas: Spinal Fusion (1:06)
Spinal fusion requires creating a bone graft. Watch this video to learn more.
